Traction bar



FIG. 1 is an environmental perspective view of a traction bar showing mynew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of a vehicle underbody and suspension is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a traction bar, as shown and described.